Sifan Liu

works on

bayesian inference 1 diffusion models 1 mcmc 1 multimodal sampling 1 spectral gap 1

From the 1 of 8 linked papers with an AI index.

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math.ST2026

On the optimality of antithetic randomization for cross-validation

Srijan Chattopadhyay, Sifan Liu, Snigdha Panigrahi

In the classical normal means problem, independent train--test folds can be constructed by perturbing the data with normal randomization. Averaging over $K$ such folds yields a cro…